Question

Help Please

Answer 1

change your profile picture.

Answer 2

Use the pythagorean theorem:
a^2+b^2=c^2

Answer 3

This is easy. Use the formula given^

Answer 4

Hence, \[c^2 = 2^2 + 4^2\]

Answer 5

\[c = \sqrt { 4 + 16} = \sqrt{20}\]

Answer 6

The Pythagorean Theorem can be used to find a missing leg in a right triangle when you already know 2 of the legs lengths.\[2^{2}=4\]\[4^{2}=16\]\[4+16=20\]\[\sqrt{20}\approx4.5\]